Alnor APM 150, Owner'S Manual, Page: 15 / 78

11
11
UNIT
The
UNIT
key allows you to select
a unit of measurement. The ↑ and
↓
keys move through the choices.
Use the
↵
key to accept a choice,
or press
ON/ OFF
to return to
RUN
mode without making
changes.
MEM
The
MEMORY
key is used to
review stored data. When it is
pressed, the display will show the
current page number. The
↑ and
↓
keys will move you to any page
you wish to review. To examine
data, press the
↵
key.
If memory is empty, the unit
automatically jumps back to
RUN
mode. Otherwise, you can return
there by pressing the
ON/OFF
key.
(See also PAGES in “Data
Storage.”)
Push this key to select
SUPPLY
or
EXHAUST
air measurement
modes. The meter’s default is
SUPPLY
. A display annunciator
▲ will indicate
EXHAUST
(EX)
when it is in that mode.
Secondary Key Functions:
↑
and
↓ These keys allow you to move or
scroll through menu selections in
forward (
↑
) or reverse (
↓
) order.
AVE
If held for three (3) seconds, the
AVE
key lets you view the
average of the current page of
measurements which has been
stored. Pushing
ON/OFF
returns
you to
RUN
mode.
↵
This key accepts all selected
choices such as values and menu
items. After each entry, [
]
appears on the display as the APM
150 stores new information.
Menu Selections
Pressing the
MENU
key activates the main menu.
Use the ↑ and ↓ keys to scroll through the
available selections. Once you find your desired
selection, choose it by pressing
↵.
Pressing
ON/OFF
exits the menu, returning you to
RUN
mode.
Menu items (to select any of the following
press
↵
):
Measurements stored in the
instrument’s memory are organized
into pages. This key changes the
page onto which you are saving your
measurements. If there is no stored
data on the current page, the page
number will not increase. A total of
100 sets, or lines, of data can be
stored. You may have 100 pages of
one line each, one page of 100 lines
each, or any combination of pages
and lines not exceeding 100
readings.
This copies all stored data to a
connected printer or computer. You
can abort the printout at any time by
pressing and holding the
ON/OFF
key.
The Correction Factor is an all-
purpose multiplying factor which is
applied to all measurements. cF is
set to 1.000 unless it is changed in
the menu. An annunciator (
▼ ) tells
you when “cF=1.” cF is usually used
when air density conditions deviate
from standard. See Appendix D.
Select values with the
↑
or
↓
key,
then press
↵
to accept them or
ON/OFF
to reject them.
This automatic shut-off option can
be enabled or disabled by pushing
↑
or
↓
to select [ ] or [ ],
then pushing the
↵
key to enter your
selection. When enabled, the
automatic shut-off will power-down
the APM 150 after 20 minutes of
keyboard inactivity.
This diagnostic tool allows you to
view important analog voltages
within the instrument. Pushing
↑
or
↓
views the eight different channels,
which include the following: